Olympia

The combined ticket covers the archaeological site, the Archaeological Museum of Olympia, the Museum of the History of the Olympic Games of Antiquity, and the Museum of the History of the Excavations — €14 in summer, half that in winter for non-EU adults. Summer hours (April through October) run 08:00–20:00 with last entry at 19:30; winter hours (November through March) are 08:30–15:30. EU citizens under 25 enter free with ID; everyone under 5 is free. Buy on the official Hellenic Heritage portal before you sail and skip the on-site queue in July.

It's the romantic choice and the risky one. The Hellenic Train service runs Katakolo → Pyrgos → Olympia, about 45 minutes each way, €10 round-trip, with typically two cruise-friendly departures a day Monday through Saturday. If your ship is in for a long call and the schedule lines up, fine. If it doesn't, the next train back may not exist, and a missed-the-ship taxi to the next port is a budget event. Confirm the day's timetable at the Katakolon station before you board the outbound train — schedules shift seasonally and on Sundays.

Roughly €80 round-trip with a 60–90 minute wait at the site, or about €40–43 one-way. Drivers cluster at the pier exit and most will quote a flat round-trip rate including wait time. Confirm the price and the wait window before you get in — meter taxis exist but the airport-style flat rate is normal for this run. For a party of three or four, this is the cheapest per-person option after you account for site tickets.

Yes — Katakolon is one of the lower-stress port stops in the Mediterranean. Population is around 500, the main street is the only street that matters, and the village is essentially built for cruise traffic six months a year. Petty theft is not the documented problem here that it is in Athens or Naples. Standard precautions still apply, especially in the few hours when several large ships are in at once.

Greece is on the euro and cards work at the Olympia ticket office, the museum, and most Katakolon tavernas. Carry €30–50 in small notes for taxi tips, the village train ticket window, and the smaller souvenir stalls along the Katakolon waterfront where the card reader is sometimes 'broken.' ATMs exist in the village but are limited — withdraw at home or at a bank-branded machine, decline dynamic-currency-conversion.

Almost no shade. Olympia sits in an open river valley and the ruins are spread across a large flat site with scattered pine and olive trees but nothing meaningful overhead at the Temple of Zeus, the Palaestra, or the stadium. From June through September, midday sun on the site is brutal — the kind that ends shore days early. Go first thing off the ship, carry water, and budget the air-conditioned museum for the hottest part of the day.